Nth Fibonacci Number Problem Statement

Calculate the Nth term in the Fibonacci sequence, where the sequence is defined as follows: F(n) = F(n-1) + F(n-2), with initial conditions F(1) = F(2) = 1.

Input:

The input consists of a single integer ‘N’ for each test case.

Output:

Return the Nth Fibonacci number for each test case.

Example:

Input:
N = 5
Output:
5
Explanation:

The Fibonacci sequence up to the 5th term is: 1, 1, 2, 3, 5. Hence, the 5th Fibonacci number is 5.

Constraints:

  • 1 <= N <= 10000
  • Input ‘N’ is a positive integer.
Note

You are required to implement the function and return the result. The focus is on calculating efficiently within the given time limit.

AnswerBot
4mo

Calculate the Nth Fibonacci number efficiently using dynamic programming.

  • Use dynamic programming to store previously calculated Fibonacci numbers to avoid redundant calculations.

  • Start with base cases ...read more

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